US20010051869A1 - Method for operating a voice function in a dual-mode radio mobile terminal - Google Patents
Method for operating a voice function in a dual-mode radio mobile terminal Download PDFInfo
- Publication number
- US20010051869A1 US20010051869A1 US09/871,561 US87156101A US2001051869A1 US 20010051869 A1 US20010051869 A1 US 20010051869A1 US 87156101 A US87156101 A US 87156101A US 2001051869 A1 US2001051869 A1 US 2001051869A1
- Authority
- US
- United States
- Prior art keywords
- voice
- function
- mode
- operating
- vocoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
- H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/271—Devices whereby a plurality of signals may be stored simultaneously controlled by voice recognition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- H04M1/656—Recording arrangements for recording a message from the calling party for recording conversations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/74—Details of telephonic subscriber devices with voice recognition means
Definitions
- the voice recognition procedures are similar to the voice registration procedures, but includes several different steps.
- the processor 103 compares digital voice packet data generated by the VOCODER 107 with voice packet data stored in memory 104 to detect the same voice data, and if the same voice data is stored, the voice function corresponding to the voice data operates. For example, if a user speaks “company”, the processor 103 detects whether there is voice data corresponding to “company” in memory. If voice data corresponding to “company” exists in memory, the processor 103 dials a phone number matching the voice data “company”.
Abstract
Description
- This application claims priority to an application entitled “DUAL MODE RADIO MOBILE TERMINAL POSSIBLE SPEECH FUNCTION IN ANALOG MODE” filed with Korea Industrial Property Office dated Jun. 9, 2000, and assigned Patent Application Ser. No. 2000-31817, the contents of which are hereby incorporated by reference.
- 1. Field of the Invention
- The present invention relates generally to voice registration and recognition of a speaker's voice and the output of a voice signal stored in memory in connection with a dual-mode radio mobile terminal that utilizes both an analog mode and a digital mode.
- More particularly, the present invention relates to a method of operating a voice function, such as a speaker's voice registration and recognition and a voice output of stored information, whether the dual-mode radio mobile terminal is operating in analog mode or a digital mode.
- 2. Description of the Related Art
- Generally, there are either speaker dependent circuits or speaker independent circuits in voice recognition technology. The speaker independent circuit can recognize speech from any speaker without the need to train the circuitry to recognize the voices. However, speaker dependent technology requires the voice recognition circuit to be trained on a speaker's voice before the speaker's voice can be recognized. That is, the speaker dependent circuitry requires a user to previously store his/her voice in memory, and then compare input voice data inputted through a mic with stored voice data.
- In mobile terminals having a voice recognition function that utilizes speaker independent technology, how to store user's voice signal in memory of the mobile terminal is determined by what communication method the mobile terminal utilizes. Namely, in an analog communication system, such as Advanced Mobile Phone System (AMPS), a user's voice is stored in memory after being transformed into digital data in PCM (pulse code modulation) format by a CODEC. However, in a digital communication system, such as Code Division Multiple Access (CDMA), a user's voice signal is in a digital format as packet data that is stored in memory. Thus, in a dual-mode mobile terminal that utilizes both analog communication and digital communication systems, the dual-mode mobile terminal must store two kinds of voice data, respectively, in memory to properly operate a voice function, such as voice dialing, voice memo, and the output of a voice guidance message. Otherwise, the voice function of the mobile terminal that stores only one format of voice data could not be used if the mobile terminal is operating in a different communication mode. Therefore, suppliers of mobile terminals have been trying to develop a dual-mode mobile terminal that not only stores a user's voice data in packet format, but also operates the voice function in an analog mode.
- FIG. 1 illustrates a block diagram of mobile terminal to which the present invention is applied.
- Referring to FIG. 1, with pushing or touching a specific button or combination of several buttons on a
keypad 106, a user of a mobile terminal may utilize voice functions, such as voice dialing or voice memo. The registration of a voice signal, such as a voice memo, is performed through several steps. That is, if a user of mobile terminal speaks through amic 111, the speaker's voice signal inputted through themic 111 is amplified in anaudio amplifier 109, and then provided to aCODEC 108. TheCODEC 108 samples the inputted voice signal, and then transforms the signal into digital data in PCM (Pulse Code Modulation) format. The digital data in PCM format transformed from the voice signal is provided to aVOCODER 107. The VOCODER 107 extracts the characteristics of the voice signal to reduce the size of data, and changes the reduced data into digital packet data. The digital packet data is stored in a specific area of amemory 104 under the control of theprocessor 103. - The voice recognition procedures, such as voice dialing, are similar to the voice registration procedures, but includes several different steps. The
processor 103 compares digital voice packet data generated by the VOCODER 107 with voice packet data stored inmemory 104 to detect the same voice data, and if the same voice data is stored, the voice function corresponding to the voice data operates. For example, if a user speaks “company”, theprocessor 103 detects whether there is voice data corresponding to “company” in memory. If voice data corresponding to “company” exists in memory, theprocessor 103 dials a phone number matching the voice data “company”. However, in prior art radio mobile terminals that utilize, for example, Qualcomm's MSM chip, moving in a base station that is in analog communication mode, theprocessor 103 instructs the VOCODER 107 to change from packet mode to PCM mode. Therefore, if the user inputs his voice through themic 111 to operate the voice function, the inputted voice signal is amplified by theaudio amplifier 109, and transformed into PCM format data byCODEC 108. The transformed data is provided to theVOCODER 107, which maintains the data in PCM format. However, theprocessor 103 can not compare the inputted voice data with the voice data stored inmemory 104 because the voice data stored inmemory 104 is maintained in packet format. As a result, the voice function cannot be operated. In case of the voice guidance message, the user can not listen to the message either, since the VOCODER 107 is in PCM format and the voice guidance message is stored in packet format. - It is therefore an object of the present invention to provide a method for operating a voice registration and recognition and output function of a voice signal in a mobile communication apparatus operating in analog mode, wherein the mobile communication apparatus is a dual-mode device that is capable of communication in both digital and analog mode.
- It is another object of the present invention to provide a method for outputting a voice signal that is stored in packet format in memory while the dual-mode mobile communication apparatus is operating in analog mode.
- It is still another object of the present invention to provide a method for switching a vocoder in the dual-mode mobile communication apparatus into a packet mode to operate a voice function including a speaker's voice registration, and recognition, and voice output of stored information while the dual-mode mobile communication apparatus is operating in an analog mode.
- It is still further another object of the present invention to provide a method for switching the vocoder in the dual-mode mobile communication apparatus into a PCM mode if a call request signal is generated while the dual-mode mobile communication apparatus is operating the voice function corresponding to a speaker's voice registration and recognition and voice output of stored information.
- According to an aspect of the present invention, there is provided a method for operating a voice function of a dual-mode mobile communication apparatus including a speaker's voice registration and recognition function and a voice output function of stored information while the mobile communication apparatus is operating in an analog mode, comprising the steps of:
- determining whether a voice function request signal is input or not; switching a vocoder into a digital mode for operating the voice function; and
- operating the voice function in digital mode.
- The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which:
- FIG. 1 is a block diagram showing the structure of a dual-mode mobile communication apparatus;
- FIGS.2A-2D is a flow chart which illustrates the operation of the voice function while the dual-mode mobile communication apparatus is operating in an analog mode; and
- FIG. 3 is a flow chart, which illustrates the process if a call request signal is input while the dual-mode mobile communication apparatus is operating in an analog mode.
- A preferred embodiment of the present invention will be described in detail hereinbelow with reference to the accompanying drawings. In the following description, numerous specific details are set forth to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. In other instances, well known functions or constructions have not been described so as not to obscure the present invention.
- FIGS.2A-2D illustrate a preferred embodiment of a methods for operating a voice function in a dual-mode mobile terminal, including speaker's voice registration and recognition function and a voice output function of stored information when the mobile terminal is operating in analog mode, wherein the mobile terminal utilizes both a digital communication mode and an analog communication mode.
- Referring to FIG. 2A, the mobile terminal checks whether a base station associated with the mobile terminal utilizes an analog communication mode, such as AMPS, when its power is turned on or upon handover, in
step 201. If the base station utilizes the analog method, theprocessor 103 of the mobile terminal instructs its vocoder to change over to PCM mode. However, if the base station utilizes the digital method, theprocessor 103 of mobile terminal does not need to instruct the vocoder to change over to PCM mode in order to operate a voice function. When the vocoder of the mobile terminal is in PCM mode, a user of the mobile terminal touches a button or key to input key signal corresponding to voice function in order to operate the voice function instep 202. If the user pushes the button corresponding to the voice function, theprocessor 103 instructs the vocoder to change from PCM mode to packet mode instep 203. The processor outputs a message in voice or displays the message on theLCD 105 in order for the user of the mobile terminal to select what voice function the user wants instep 204. - The speaker dependent voice functions are usually categorized as voice registration, voice memo registration and playing and voice recognition. The processes associated with these categories with respect to the choice made by the user in
step 204 will now be explained. First, the function of voice registration selected by the user will be explained with respect to FIG. 2B. The user selects the voice registration function instep 205, and theprocessor 103 of the mobile terminal outputs messages for voice registration instep 206. According to the messages output for voice registration, the user inputs his voice throughmic 111 instep 207, and the inputted voice signal is amplified byaudio amplifier 109 instep 208. The amplified voice signal is transformed into digital data in a PCM format byCODEC 108 instep 209. The voice data transformed to PCM format is then transformed to digital packet data byVOCODER 107 instep 210. Theprocessor 103 compares data that is transformed into packet format in thestep 210, with data stored in a specific area ofmemory 104, which is in packet format voice data insteps step 213. As the function of voice registration is completed, theprocessor 103 instructs thevocoder 107 to change back to PCM mode instep 214. However, if there is a match with stored data inmemory 104 instep 212, the voice registration process returns to thestep 206. - Second, the process will be explained for when a user of the mobile terminal selects the voice memo playing function with respect to FIG. 2C. The user selects the voice memo playing function by pushing a button or key on the keypad in
step 215. If the voice memo playing function is selected, theprocessor 103 outputs message to have the user select what he wants to listen to instep 216. Through the message output in thestep 216, the user selects a voice memo that the user wants instep 217. Theprocessor 103 instructs thevocoder 107 to change the voice memo, which is stored in packet format inmemory 104, to data in PCM format instep 218. The voice memo transformed to PCM format in the above step is amplified in theaudio amp 109 and output insteps processor 103 instructs thevocoder 107 to change back to PCM mode instep 221. - Finally, the process will be explained if the user of the mobile terminal selects the voice recognition function with respect to FIG. 2D. The user selects voice recognition function in
step 222. Theprocessor 103 outputs an information message to request the input of voice instep 223. Following the information message instep 223, the user input his voice throughmic 111 instep 224, and the inputted voice is amplified inaudio amplifier 109 instep 225. The amplified voice signal instep 225 is transformed into digital data in PCM format byCODEC 108 instep 226, and the digital data in PCM format is transformed into digital packet data inVOCODER 107 instep 227. Theprocessor 103 compares the voice data transformed into packet format with voice packet data stored inmemory 104, and checks whether there is a match insteps step 229, theprocessor 103 operates the voice recognization function, for example voice dialing instep 230. Upon completion ofstep 230, theprocessor 103 instructs theVOCODER 107 to change back to PCM mode instep 231. If there is a no match with the voice data inputted instep 229, the process returns to thestep 223. - FIG. 3 illustrates the procedure of suspending the voice function if a call request signal is input while the mobile terminal is operating the voice function in an analog mode.
- Referring to FIG. 3, the
processor 103 routinely checks whether a call request signal is input or not during operation of the voice function instep 305.Steps 301 to 304 correspond to one of the processes among FIGS. 2B, 2C or 2D. If a call request signal is detected instep 305, theprocessor 103 terminates the operation of the voice function, and instructs theVOCODER 107 to change back to PCM mode instep 308 so that the user can communicate in analog mode instep 309. However, if a call request signal is not detected instep 305, theprocessor 103 instructsVOCODER 107 to change back to PCM mode instep 307 after completing the voice function instep 306. - Therefore, the controller of the mobile terminal instructs vocoder to change from PCM mode to packet mode while the dual mode radio mobile terminal is in analog mode and a voice function is operating.
- The above description of the preferred embodiment is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments. Thus, the present invention is not intended to be limited to the embodiment described herein but is to be accorded the widest scope consistent with the appended claims.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000031817A KR100365800B1 (en) | 2000-06-09 | 2000-06-09 | Dual mode radio mobile terminal possible voice function in analog mode |
KR2000-31817 | 2000-06-09 |
Publications (2)
Publication Number | Publication Date |
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US20010051869A1 true US20010051869A1 (en) | 2001-12-13 |
US7107208B2 US7107208B2 (en) | 2006-09-12 |
Family
ID=19671558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US09/871,561 Expired - Fee Related US7107208B2 (en) | 2000-06-09 | 2001-05-31 | Dual mode radio mobile terminal in which an analog or digital mode is determined by request of a voice function |
Country Status (2)
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US (1) | US7107208B2 (en) |
KR (1) | KR100365800B1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1727017A1 (en) * | 2005-05-24 | 2006-11-29 | Primax Electronics Ltd | Information input/output device of mobile apparatus |
US20070263668A1 (en) * | 2006-05-11 | 2007-11-15 | Lau David K W | System, method and computer program for evaluating the audio quality of a received audio record |
US20090186608A1 (en) * | 2008-01-23 | 2009-07-23 | Samsung Electronics Co. Ltd. | Multi-standby mobile terminal and host function providing method for the same |
US20110099019A1 (en) * | 2009-10-22 | 2011-04-28 | Broadcom Corporation | User attribute distribution for network/peer assisted speech coding |
CN102833402A (en) * | 2012-08-14 | 2012-12-19 | 广东欧珀移动通信有限公司 | Mobile terminal and method and device for unlocking same |
CN103905604A (en) * | 2012-12-24 | 2014-07-02 | 联想(北京)有限公司 | Information acquisition method and electronic device |
CN107331394A (en) * | 2017-05-26 | 2017-11-07 | 暨南大学 | A kind of voice data acquisition system and its method based on mobile Internet Yu mobile phone A PP |
CN111464688A (en) * | 2019-01-22 | 2020-07-28 | 成都鼎桥通信技术有限公司 | Working mode switching method and device |
Families Citing this family (1)
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US7471776B2 (en) * | 2004-05-26 | 2008-12-30 | Symbol Technologies, Inc. | System and method for communication with an interactive voice response system |
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CN102833402A (en) * | 2012-08-14 | 2012-12-19 | 广东欧珀移动通信有限公司 | Mobile terminal and method and device for unlocking same |
CN103905604A (en) * | 2012-12-24 | 2014-07-02 | 联想(北京)有限公司 | Information acquisition method and electronic device |
CN107331394A (en) * | 2017-05-26 | 2017-11-07 | 暨南大学 | A kind of voice data acquisition system and its method based on mobile Internet Yu mobile phone A PP |
CN111464688A (en) * | 2019-01-22 | 2020-07-28 | 成都鼎桥通信技术有限公司 | Working mode switching method and device |
Also Published As
Publication number | Publication date |
---|---|
KR100365800B1 (en) | 2002-12-26 |
US7107208B2 (en) | 2006-09-12 |
KR20010111245A (en) | 2001-12-17 |
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